package cn.itcast.controller;

import cn.itcast.service.StudentService;
import cn.itcast.service.UserService;
import cn.itcast.service.impl.StudentServiceImpl;
import cn.itcast.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.Method;

public class BaseServlet extends HttpServlet {
    public UserService service = null;
    public StudentService studentService = null;

    @Override
    public void init() throws ServletException {
        service = new UserServiceImpl();
        studentService = new StudentServiceImpl();
    }

    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String uri = req.getRequestURI();
        String methodName  = uri.substring(uri.lastIndexOf("/")+1);

        try {
            Method method = this.getClass().getDeclaredMethod(methodName, HttpServletRequest.class, HttpServletResponse.class);
            method.setAccessible(true);
            method.invoke(this,req,resp);
        } catch (Exception e) {
            e.printStackTrace();
        }

    }
}
